Door-scriber and gage.



E. CEDERBERG.

DOOR SCRlB ER AND GAGE. APPLICATION FILED MAR. 25, 1916.

1,210,147. Patented Dec. 26,1916.

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manner CEDERBERG, or ivnwyoiax, 1v. Y.

DOQR-SGRIBER AND GAGE.

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To all whom it may concern Be it known that I, ERNEST CEDERBERG, a subject of the King of Sweden, and 'aresident of the city of'New York, borough of Bronx, in the county of Bronx and State of New York, have invented a new and Improved Door-Scriber and Gage, of which the following is a full, clear, and exact description.

My invention relates to a tool for marking the irregularity of a door jamb on a door to be fitted, so that when the edges of the door are dressed to the marks so made by the tool the door will fit perfectly into the amb.

The object of the invention is to provide a simple, inexpensive and efficient tool whereby the irregularity of a door jamb can be easily and quickly marked on the door to be fitted into the jamb.

"With the above and other objects in view, thenature of which will more fully appear as the description proceeds, the invention consists in the novel construction, combination and arrangement of parts as herein fully described, illustrated and claimed.

In the accompanying drawings, forming part of theapplication, similar characters of reference indicate corresponding parts in all the views.

Figure 1 is a vertical section of the device on line 1--1, Fig. 2, a portion of the device in elevation being broken out to show the details of construction; Fig. 2 is a plan view of the device, certainportions thereof being broken out to show the detailsof construction; Fig. 3 is an elevation of the marking end of the tool showing the tool in use; and Fig. 4 is a cross'section .on line 4%, Fig. 3.

Referring to the drawings, 5 is the rightangle frame of the tool, the guiding walls 6 of which frame have an arcuate cut-out 7 adjacent the other wall 8 and preferably midway between the ends of the frame. This cut-out forms a clearance for a marker arm 9 secured to a sleeve 10 which is mounted to revolve in the wall 8 of the frame, the axis of revolution of the sleeve being in the planeof the wall. The sleeve 10 is prevented from axial displacement in the wall by a pin 11 set in the wall 8 and engaging a neck 12 in the sleeve. Any other suitable means may be provided for the same purose.

crank 13, the shaft llof which is keyed to Specification of Letters Patent.

Goiiperating with the marker arm 9 is a Patented nee. as, rare.

Application filed March 25, 1916. Serial No.-86,593.

the sleeve so as to rotate with the sleeve but free to slide axially relative to the sleeve.

The axial displacement of the shaft in the.

sleeve. The cross section of the crank pin 15 is such as to take care of the necessary clearance between the jamb and door to allow a proper fit therebetween. I

When a door 17 is to be marked,the same isplaced in proximity with the jamb 18, as

shown in Figs. 3 and et. The'faces of the door are engaged between the walls 6 and the crank 13, with the wall 8 resting against the edge of the door. In sliding the frame 5 along the door, the friction of the tracing point will throw the crank pin 15 against the jamb, if it was not already in contact therewith; and this contact between the crank pin and the jamb will be maintained by the frictional resistance formed by the door to the pin during thesliding movement of the tool. In consequence of this a trace 19 will be left by the marking point on the face of the door corresponding to the surface of'the jamb engaged by the crank pin 15, as shown in Fig. 3. It will be seen from this'figure that thereis a clearance between the trace 19 left by the tool and the surface of the jamb engagedby the crank pin, this clearance being necessary for a proper fitting of the door in the jamb.

The wall 8 of the frame 5 adjacent each end thereof accommodates a common marking gage 20. as used by carpenters. The addition of the markers to my tool dispenses with carrying the common markers in addition to my special tool.

While I have described the principle of operation, together with the device which I now consider to be the best embodiment thereof, I desire to have it understood that the device shown is merely illustrative and that such changes may be made as are within constrained to revolve with the marker arm but is free to move to and from the marker arm, and a pin projecting from the crank in a direction away from the marker arm and disposed to aline with the marking point of the arm.

2. In a tool of the class described, a frame having a pair of walls disposed at right angles to each other, one of said Walls having an arcuate cut-out adjacent the other wall, a sleeve mounted to revolve in the other Wall, the aXis of rotation of said sleeve being in the plane of said wall and substantially in thecenter of curvature of said cutout, a marker arm in said cut-out secured to the sleeve so as to participate in the rotary movement thereof, means preventing an axial displacement of said sleeve in the wall, a shaft mounted to slide Within said sleeve and constrained to revolve therewith, and a crank connected to the shaft to participate in the movement thereof and in a plane with the marker arm.

3. In a tool of the class described, a frame having a pair of Walls disposed at right angles to each other, one of said Walls having an arcuate cut-out, a sleeve mounted to revolve in the other wall, the axis of rotation of said sleeve being in the plane of the wall and substantially in the center of curvature of said cut-out, a marker arm in said cut-out secured to the sleeve to participate in the rotary movement thereof, a marking point on said arm, means permitting said shaft to slide in the sleeve but preventing the rotatory movement thereof relative to the sleeve, a crank mounted to participate in the movement of the shaft, and a crank pin extending from the crank in a direction away from the marker arm and disposed to aline with the marking point.

4. In a device of the class described, a frame having a pair of walls disposed at right angles to each other, one of said walls having an arcuate cut-out, a marker arm in said cut-out mounted to revolve in the plane of said wall, a crank, and means associated with the other Wall for coupling the crank to the arm so that said crank is constrained to rotate With said arm but is free to move to and from said arm, said coupling means adapted to maintain said crank and arm in a plane with the marker arm.

In a tool of the class described, a revoluble marker arm, a crank spaced from said arm, and means coupling the arm to the crank so that said crank is constrained to rotate with said arm but is free to move to and from said arm, said coupling means maintaining said crank and arm in a common plane, the effective radius of said arm and crank being substantially the same.

6. In a tool of the class described, a revoluble marker arm, a crank, and means coupling the crank to the arm so that said crank is constrained to rotate with said arm but is free to move to and from said arm.

7. In a tool of the class described, a marker arm, a crank, and means coupling the arm to the crank to prevent a relative rotary movement and to allow a relative axial movement.

In testimony whereof I have signed mv name to this specification in the presence at two subscribing witnesses.

ERNEST OEDERBERG.

Witnesses:

B. J orrn, PHILIP D. RoLLHAUs.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

